bosh

bosh is defined in Webster's Unabridged Dictionary (1913) with 3 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.One of the sloping sides of the lower part of a blast furnace; also, one of the hollow iron or brick sides of the bed of a puddling or boiling furnace.
  2. 2.pl. The lower part of a blast furnace, which slopes inward, or the widest space at the top of this part.
  3. 3.In forging and smelting, a trough in which tools and ingots are cooled.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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